JAN2N4239-Transistor Overview
The JAN2N4239 transistor is a high-performance, silicon NPN bipolar junction transistor designed for robust switching and amplification applications. Engineered to meet military and industrial standards, it offers reliable operation under demanding conditions with a maximum collector-emitter voltage rating suitable for medium power circuits. Its complementary electrical characteristics provide stable gain and efficient current handling, making it ideal for signal amplification and switching tasks. Sourcing this transistor from a trusted IC Manufacturer ensures consistent quality and compliance with stringent industry requirements.
JAN2N4239-Transistor Key Features
- High Voltage Tolerance: Supports up to 60V collector-emitter voltage, enabling operation in medium power circuits with enhanced reliability.
- Moderate Current Handling: Collector current rating up to 1A allows efficient switching and amplification in various applications.
- Stable DC Current Gain (hFE): Provides consistent amplification performance, crucial for precision analog signal processing.
- Military-Grade Quality: Designed to meet JAN specifications ensuring durability and performance in harsh environments.
JAN2N4239-Transistor Technical Specifications
| Parameter | Specification |
|---|---|
| Transistor Type | NPN Bipolar Junction |
| Collector-Emitter Voltage (Vceo) | 60 V |
| Collector-Base Voltage (Vcbo) | 75 V |
| Emitter-Base Voltage (Vebo) | 5 V |
| Collector Current (Ic) | 1 A |
| DC Current Gain (hFE) | 40 to 160 (varies with operating conditions) |
| Transition Frequency (fT) | 100 MHz (typical) |
| Power Dissipation (Pd) | 1 W |
| Package Type | TO-18 Metal Can |
JAN2N4239-Transistor Advantages vs Typical Alternatives
This transistor stands out by combining military-grade reliability with moderate voltage and current ratings, providing a balance of performance and robustness. Compared to common commercial transistors, it offers enhanced durability under temperature and environmental stresses, ensuring longer operational life. Its stable gain and switching capabilities make it well-suited for precision analog and switching circuits where reliability is crucial, improving system accuracy and efficiency.
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Typical Applications
- Signal amplification in medium power analog circuits requiring consistent gain and low noise operation.
- Switching applications in control circuits where reliable performance under varying load conditions is necessary.
- Military and aerospace electronics benefiting from rugged transistor specifications and JAN certification.
- Industrial automation systems that demand durable components for long service life in harsh environments.
JAN2N4239-Transistor Brand Info
The JAN2N4239 transistor is produced under the Joint Army-Navy (JAN) certification program, ensuring compliance with rigorous military standards for quality and reliability. This product line is recognized for its robust construction and consistent electrical characteristics, making it a preferred choice for mission-critical applications. The manufacturer adheres to strict quality controls, providing engineers and sourcing specialists with confidence in its performance in demanding industrial and defense applications.
FAQ
What type of transistor is the JAN2N4239, and what are its primary characteristics?
The JAN2N4239 is an NPN bipolar junction transistor designed for medium power amplification and switching. It features a collector-emitter voltage rating of 60 volts, a collector current rating of 1 ampere, and a typical DC current gain ranging from 40 to 160, making it suitable for various industrial and military electronic circuits.
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What package does the JAN2N4239 transistor come in, and why is this important?
This transistor is housed in a TO-18 metal can package, which provides excellent thermal conductivity and mechanical protection. The metal can package also helps maintain stable electrical performance and durability, especially in harsh or high-reliability applications.
How does the JAN2N4239 compare to commercial transistors in terms of reliability?
Unlike many commercial-grade transistors, the JAN2N4239 is manufactured to meet military JAN standards, ensuring enhanced reliability under extreme environmental conditions such as temperature variations, vibration, and humidity. This makes it ideal for mission-critical and industrial applications where failure is not an option.
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What are common applications for the JAN2N4239 transistor?
Common uses include signal amplification in analog circuits, switching in control and automation systems, and deployment in military or aerospace electronics requiring rugged and dependable components. Its voltage and current ratings make it versatile for medium power applications.
Are there any limitations to using the JAN2N4239 transistor in high-frequency circuits?
While the transistor has a typical transition frequency of around 100 MHz, it may not be suitable for very high-frequency RF applications beyond this range. For ultra-high-frequency needs, specialized RF transistors would be more appropriate.







